Computational investigation of micro hovering rotor aerodynamics

Journal of the American Helicopter Society

Volumn 55, Issue 2, 2010, Pages 0220011-02200125

  Lakshminarayan, Vinod K ^a   Baeder, James D ^a  

^a UNIVERSITY OF MARYLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BLUNT LEADING EDGES; COMPUTATIONAL INVESTIGATION; COMPUTATIONAL METHODOLOGY; EXPERIMENTAL DATA; HOVERING ROTOR; ISENTROPIC; LAMINAR SEPARATION BUBBLE; LEADING EDGE; LOW REYNOLDS NUMBER; LOW-MACH-NUMBER FLOW; PERFORMANCE IMPROVEMENTS; POWER-LOSSES; PREDICTIVE TOOLS; PRESSURE DRAG; REYNOLDS-AVERAGED NAVIER-STOKES; ROTARY WING; SECONDARY VORTEX; SWIRL VELOCITIES; TIP VORTEX; TRAILING EDGE GEOMETRIES; TRAILING EDGES; VALIDATION STUDY; VORTEX PROPAGATION;

AERODYNAMICS; COMPUTATIONAL GEOMETRY; DATA FLOW ANALYSIS; DRAG; FLOW VISUALIZATION; LAMINAR FLOW; MACH NUMBER; MICRO AIR VEHICLE (MAV); REYNOLDS NUMBER; TURBULENCE MODELS; WIND TUNNELS;

VORTEX FLOW;

EID: 77952684804     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/JAHS.55.022001     Document Type: Article

References (24)

1. Kellogg, M. I., and Bowman, W. J., "Parametric Design Study of the Thickness of Airfoils at Reynolds Numbers from 60,000-150,000," AIAA 2004-11054, 42nd AIAA Aerospace Sciences and Exhibit, Reno, NV, January 5-8, 2004.
2. Gupta, V., "An Investigation of Quad Tilt Rotor Aerodynamics in Helicopter Mode," Ph.D. Dissertation, Department of Aerospace Engineering, University of Maryland at College Park, 2005.
3. Schroeder, E., and Baeder, J. D., "Using Computational Fluid Dynamics for Micro-Air Vehicle Airfoil Validation and Prediction," AIAA 2005-4841, 23rd AIAA Applied Aerodynamics Conference, Toronto, Canada, June 6-9, 2005.
4. Schroeder, E., "Low Reynolds Number Flow Validation Using Computational Fluid Dynamics with Applications to Micro Air Vehicles," Master's Thesis, Department of Aerospace Engineering, University of Maryland at College Park, 2005.
5. Moore, D. W., and Saffman, P. G., "Axial Flow in Laminar Trailing Vortices," Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 333, June 1973, pp. 491-508.
6. Chow, J. S., Killiac, G. G., and Bradshaw, P., "Meanand Turbulence Measurements in the Near Field of a Wingtip Vortex," AIAA Journal, Vol. 35, (10), October 1997, 1561-1567. (Pubitemid 127543032)
7. Devenport, W. J., Rife, M. C., Liapis, S. I., and Follin, G. J., "The Structure and Development of a Wing-Tip Vortex," Journal of Fluid Mechanics, Vol. 312, 1996, pp. 67-106.
8. Batchelor, G. K., "Axial Flow in Trailing Line Vortices," Journal of Fluid Mechanics, Vol. 20, 1964, pp. 645-658.
9. Zuhal, L. R., "Formation and Near-Field Dynamics of a Wing Tip Vortex," Ph.D. Dissertation, California Institute of Technology, 2001.
10. Duraisamy, K., "Studies in Tip Vortex Formation, Evolution and Control," Ph.D. Dissertation, Department of Aerospace Engineering, University of Maryland at College Park, 2005.
11. Duraisamy, K., and Baeder, J. D., "High Resolution Wake Capturing Methodology for Hovering Rotors," Journal of the American Helicopter Society, Vol. 52, (2), April 2007, 110-122. (Pubitemid 46860133)
12. Duraisamy, K., Ramasamy, M., Baeder, J. D., and Leishman, J. G., "High Resolution Computational and Experimental Study of Hovering Rotor Tip Vortex Formation," AIAA Journal, Vol. 45, (11), November 2007, pp. 2593-2602. (Pubitemid 350214167)
13. Srinivasan, G. R., and Baeder, J. D., 'TURNS: A Free-Wake Euler/ Navier-Stokes Numerical Method for Helicopter Rotors," AIAA Journal, Vol. 31, (5), May 1993, pp. 959-962.
14. Buelow, P. E. O., Schwer, D. A., Feng, J., and Merkle, C. L., "A Preconditioned Dual-Time, Diagonalized ADI Scheme for Unsteady Computations," AIAA 1997-2101, 13th AIAA Computational Fluid Dynamics Conference, Snowmass Village, CO, June 29-July 2, 1997.
15. Pandya, S. A., Venkateswaran, S., and Pulliam, T. H. "Implementation of Preconditioned Dual-Time Procedures in OVERFLOW," AIAA 2003-10072, 41st AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 6-9, 2003.
16. Pulliam, T., and Chaussee, D., "A Diagonal Form of an Implicit Approximate Factorization Algorithm," Journal of Computational Physics, Vol. 39, (2), February 1981, pp. 347-363.
17. Turkel, E., "Preconditioning Techniques in Computational Fluid Dynamics," Annual Review of Fluid Mechanics, Vol. 31, January 1999, pp. 385-416. (Pubitemid 36175097)
18. Spalart, P. R., and Allmaras, S. R., "A One-Equation Turbulence Model for Aerodynamic Flows," AIAA 1992-10439, 30th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 6-9, 1992.
19. Ramasamy, M., Leishman, J. G., and Lee, T. E., "Flow Field of a Rotating Wing MAV," Journal of Aircraft, Vol. 44, (4), July 2007, pp. 1236-1244.
20. Ramasamy, M., Johnson, B., and Leishman, J. G., "Understanding the Aerodynamic Efficiency of a Hovering Micro-Rotor," Journal of the American Helicopter Society, Vol. 53, (4), October 2008, pp. 412-428.
21. Jeong, J., and Hussain, F., "On the Identification of a Vortex," Journal of Fluid Mechanics, Vol. 285, 1995, pp. 69-94.
22. Leishman, J. G., Principles of Helicopter Aerodynamics, Cambridge University Press, New York, NY, 2002.
23. Duraisamy, K., and Baeder, J., "High Resolution Wake Capturing Methodology for Hovering Rotors," Journal of the American Helicopter Society, Vol. 52, (2), April 2007, 110-122. (Pubitemid 46860133)
24. Lakshminarayan, V. K., and Baeder, J. D.,"Further Investigation of Micro Hovering Rotor Aerodynamics Using Time Accurate Computations," American Helicopter Society 64th Annual Forum Proceedings, Montreal, Canada, April 29-May 1, 2008.